El Nino - GS questions based on daily current affairs

1)   Consider the following statements

1. Strong El nino : Drought in South America

2. La nina : heavy rains over Malaysia, the Philippines, and Indonesia.

Which of the above statements is/are incorrect?


a. Only 1
b. Only 2
c. Both
d. None
Answer  Explanation 

ANSWER: Only 1

Explanation:
Strong El nino : major flooding in South America.

La nina : heavy rains over Malaysia, the Philippines, and Indonesia.


2)   Consider the following statements

1. El Nino and La Nina are opposite phases of what is known as the El Nino-Southern Oscillation (ENSO) cycle.

2.ENSO can be neutral, warm or cold

Which of the above statements are true?


a. 1,2
b. 2,3
c. 1,3
d. All the above
Answer  Explanation 

ANSWER: All the above

Explanation:
No explanation is available for this question!


3)   Which of the following is/are not characteristics of El nino?

a. Increased surface pressure over the Indian Ocean, Australia and Indonesia
b. Rise in warm air near Peru
c. Fall in air pressure over eastern and central Pacific ocean and Tahiti
d. Below-average sea surface temperatures across the east-central Equatorial Pacific
Answer  Explanation 

ANSWER: Below-average sea surface temperatures across the east-central Equatorial Pacific

Explanation:
Below-average sea surface temperatures across the east-central Equatorial Pacific is a characteristic of La Nina which is anti El-Nino.


4)   Consider the following statements

1. El Ninos occur every three to five years but may come as frequently as every two years or as rarely as every seven years.
2. It is unusual warming of the tropical Pacific Ocean
3. On occurrence El Ninos of Off the east coast of southern Africa, drought conditions often occur.
4. Australian Bureau of Meteorology gave warning of El-nino occurring this year

Which of the above statements are correct?


a. 1,3,4
b. 1,2,3
c. 1,4
d. All
Answer  Explanation 

ANSWER: All

Explanation:
No explanation is available for this question!